Change the way Perl modules are installed, update the default Perl to 5.18.
Before, we had:
site_perl : lib/perl5/site_perl/5.18
site_perl/perl_arch : lib/perl5/site_perl/5.18/mach
perl_man3 : lib/perl5/5.18/man/man3
Now we have:
site_perl : lib/perl5/site_perl
site_arch : lib/perl5/site_perl/mach/5.18
perl_man3 : lib/perl5/site_perl/man/man3
Modules without any .so will be installed at the same place regardless of the

- Remove mail/p5-Email-MIME-Creator, it has been folded into mail/p5-Email-MIME
- Remove mail/p5-Email-MIME-Modifier, it has been folded into mail/p5-Email-MIME
- Remove mail/p5-Email-Simple-Creator, it has been folded into
mail/p5-Email-Simple
- Adjust dependencies
Reported by: pointyhat
With hat: portmgr